New Delhi, May 9 -- The Border Roads Organisation (BRO) is set to complete the construction of two key roads in Arunachal Pradesh and Uttarakhand to boost connectivity to forward areas near the China border even as it prepares to begin work on the Shinku La tunnel (the world's highest) to provide all-weather connectivity from Manali to Leh via the Nimmu-Padam-Darcha axis, officials aware of the matter said on Tuesday....